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<FONT color="green">001</FONT>    package org.bukkit.plugin;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.util.ArrayList;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.util.Collection;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.util.Collections;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.util.HashMap;<a name="line.6"></a>
<FONT color="green">007</FONT>    import java.util.Iterator;<a name="line.7"></a>
<FONT color="green">008</FONT>    import java.util.Map;<a name="line.8"></a>
<FONT color="green">009</FONT>    import java.util.List;<a name="line.9"></a>
<FONT color="green">010</FONT>    import java.util.NoSuchElementException;<a name="line.10"></a>
<FONT color="green">011</FONT>    <a name="line.11"></a>
<FONT color="green">012</FONT>    /**<a name="line.12"></a>
<FONT color="green">013</FONT>     * A simple services manager.<a name="line.13"></a>
<FONT color="green">014</FONT>     *<a name="line.14"></a>
<FONT color="green">015</FONT>     * @author sk89q<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    public class SimpleServicesManager implements ServicesManager {<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>        /**<a name="line.19"></a>
<FONT color="green">020</FONT>         * Map of providers.<a name="line.20"></a>
<FONT color="green">021</FONT>         */<a name="line.21"></a>
<FONT color="green">022</FONT>        private final Map&lt;Class&lt;?&gt;, List&lt;RegisteredServiceProvider&lt;?&gt;&gt;&gt; providers = new HashMap&lt;Class&lt;?&gt;, List&lt;RegisteredServiceProvider&lt;?&gt;&gt;&gt;();<a name="line.22"></a>
<FONT color="green">023</FONT>    <a name="line.23"></a>
<FONT color="green">024</FONT>        /**<a name="line.24"></a>
<FONT color="green">025</FONT>         * Register a provider of a service.<a name="line.25"></a>
<FONT color="green">026</FONT>         *<a name="line.26"></a>
<FONT color="green">027</FONT>         * @param &lt;T&gt; Provider<a name="line.27"></a>
<FONT color="green">028</FONT>         * @param service service class<a name="line.28"></a>
<FONT color="green">029</FONT>         * @param provider provider to register<a name="line.29"></a>
<FONT color="green">030</FONT>         * @param plugin plugin with the provider<a name="line.30"></a>
<FONT color="green">031</FONT>         * @param priority priority of the provider<a name="line.31"></a>
<FONT color="green">032</FONT>         */<a name="line.32"></a>
<FONT color="green">033</FONT>        public &lt;T&gt; void register(Class&lt;T&gt; service, T provider,<a name="line.33"></a>
<FONT color="green">034</FONT>                Plugin plugin, ServicePriority priority) {<a name="line.34"></a>
<FONT color="green">035</FONT>    <a name="line.35"></a>
<FONT color="green">036</FONT>            synchronized (providers) {<a name="line.36"></a>
<FONT color="green">037</FONT>                List&lt;RegisteredServiceProvider&lt;?&gt;&gt; registered = providers.get(service);<a name="line.37"></a>
<FONT color="green">038</FONT>    <a name="line.38"></a>
<FONT color="green">039</FONT>                if (registered == null) {<a name="line.39"></a>
<FONT color="green">040</FONT>                    registered = new ArrayList&lt;RegisteredServiceProvider&lt;?&gt;&gt;();<a name="line.40"></a>
<FONT color="green">041</FONT>                    providers.put(service, registered);<a name="line.41"></a>
<FONT color="green">042</FONT>                }<a name="line.42"></a>
<FONT color="green">043</FONT>    <a name="line.43"></a>
<FONT color="green">044</FONT>                registered.add(new RegisteredServiceProvider&lt;T&gt;(service, provider, priority, plugin));<a name="line.44"></a>
<FONT color="green">045</FONT>    <a name="line.45"></a>
<FONT color="green">046</FONT>                // Make sure that providers are in the right order in order<a name="line.46"></a>
<FONT color="green">047</FONT>                // for priorities to work correctly<a name="line.47"></a>
<FONT color="green">048</FONT>                Collections.sort(registered);<a name="line.48"></a>
<FONT color="green">049</FONT>            }<a name="line.49"></a>
<FONT color="green">050</FONT>        }<a name="line.50"></a>
<FONT color="green">051</FONT>    <a name="line.51"></a>
<FONT color="green">052</FONT>        /**<a name="line.52"></a>
<FONT color="green">053</FONT>         * Unregister all the providers registered by a particular plugin.<a name="line.53"></a>
<FONT color="green">054</FONT>         *<a name="line.54"></a>
<FONT color="green">055</FONT>         * @param plugin<a name="line.55"></a>
<FONT color="green">056</FONT>         */<a name="line.56"></a>
<FONT color="green">057</FONT>        public void unregisterAll(Plugin plugin) {<a name="line.57"></a>
<FONT color="green">058</FONT>            synchronized (providers) {<a name="line.58"></a>
<FONT color="green">059</FONT>                Iterator&lt;Map.Entry&lt;Class&lt;?&gt;, List&lt;RegisteredServiceProvider&lt;?&gt;&gt;&gt;&gt; it = providers.entrySet().iterator();<a name="line.59"></a>
<FONT color="green">060</FONT>    <a name="line.60"></a>
<FONT color="green">061</FONT>                try {<a name="line.61"></a>
<FONT color="green">062</FONT>                    while (it.hasNext()) {<a name="line.62"></a>
<FONT color="green">063</FONT>                        Map.Entry&lt;Class&lt;?&gt;, List&lt;RegisteredServiceProvider&lt;?&gt;&gt;&gt; entry = it.next();<a name="line.63"></a>
<FONT color="green">064</FONT>                        Iterator&lt;RegisteredServiceProvider&lt;?&gt;&gt; it2 = entry.getValue().iterator();<a name="line.64"></a>
<FONT color="green">065</FONT>    <a name="line.65"></a>
<FONT color="green">066</FONT>                        try {<a name="line.66"></a>
<FONT color="green">067</FONT>                            // Removed entries that are from this plugin<a name="line.67"></a>
<FONT color="green">068</FONT>    <a name="line.68"></a>
<FONT color="green">069</FONT>                            while (it2.hasNext()) {<a name="line.69"></a>
<FONT color="green">070</FONT>                                if (it2.next().getPlugin() == plugin) {<a name="line.70"></a>
<FONT color="green">071</FONT>                                    it2.remove();<a name="line.71"></a>
<FONT color="green">072</FONT>                                }<a name="line.72"></a>
<FONT color="green">073</FONT>                            }<a name="line.73"></a>
<FONT color="green">074</FONT>                        } catch (NoSuchElementException e) { // Why does Java suck<a name="line.74"></a>
<FONT color="green">075</FONT>                        }<a name="line.75"></a>
<FONT color="green">076</FONT>    <a name="line.76"></a>
<FONT color="green">077</FONT>                        // Get rid of the empty list<a name="line.77"></a>
<FONT color="green">078</FONT>                        if (entry.getValue().size() == 0) {<a name="line.78"></a>
<FONT color="green">079</FONT>                            it.remove();<a name="line.79"></a>
<FONT color="green">080</FONT>                        }<a name="line.80"></a>
<FONT color="green">081</FONT>                    }<a name="line.81"></a>
<FONT color="green">082</FONT>                } catch (NoSuchElementException e) {}<a name="line.82"></a>
<FONT color="green">083</FONT>            }<a name="line.83"></a>
<FONT color="green">084</FONT>        }<a name="line.84"></a>
<FONT color="green">085</FONT>    <a name="line.85"></a>
<FONT color="green">086</FONT>        /**<a name="line.86"></a>
<FONT color="green">087</FONT>         * Unregister a particular provider for a particular service.<a name="line.87"></a>
<FONT color="green">088</FONT>         *<a name="line.88"></a>
<FONT color="green">089</FONT>         * @param service<a name="line.89"></a>
<FONT color="green">090</FONT>         * @param provider<a name="line.90"></a>
<FONT color="green">091</FONT>         */<a name="line.91"></a>
<FONT color="green">092</FONT>        public void unregister(Class&lt;?&gt; service, Object provider) {<a name="line.92"></a>
<FONT color="green">093</FONT>            synchronized (providers) {<a name="line.93"></a>
<FONT color="green">094</FONT>                Iterator&lt;Map.Entry&lt;Class&lt;?&gt;, List&lt;RegisteredServiceProvider&lt;?&gt;&gt;&gt;&gt; it = providers.entrySet().iterator();<a name="line.94"></a>
<FONT color="green">095</FONT>    <a name="line.95"></a>
<FONT color="green">096</FONT>                try {<a name="line.96"></a>
<FONT color="green">097</FONT>                    while (it.hasNext()) {<a name="line.97"></a>
<FONT color="green">098</FONT>                        Map.Entry&lt;Class&lt;?&gt;, List&lt;RegisteredServiceProvider&lt;?&gt;&gt;&gt; entry = it.next();<a name="line.98"></a>
<FONT color="green">099</FONT>    <a name="line.99"></a>
<FONT color="green">100</FONT>                        // We want a particular service<a name="line.100"></a>
<FONT color="green">101</FONT>                        if (entry.getKey() != service) {<a name="line.101"></a>
<FONT color="green">102</FONT>                            continue;<a name="line.102"></a>
<FONT color="green">103</FONT>                        }<a name="line.103"></a>
<FONT color="green">104</FONT>    <a name="line.104"></a>
<FONT color="green">105</FONT>                        Iterator&lt;RegisteredServiceProvider&lt;?&gt;&gt; it2 = entry.getValue().iterator();<a name="line.105"></a>
<FONT color="green">106</FONT>    <a name="line.106"></a>
<FONT color="green">107</FONT>                        try {<a name="line.107"></a>
<FONT color="green">108</FONT>                            // Removed entries that are from this plugin<a name="line.108"></a>
<FONT color="green">109</FONT>    <a name="line.109"></a>
<FONT color="green">110</FONT>                            while (it2.hasNext()) {<a name="line.110"></a>
<FONT color="green">111</FONT>                                if (it2.next().getProvider() == provider) {<a name="line.111"></a>
<FONT color="green">112</FONT>                                    it2.remove();<a name="line.112"></a>
<FONT color="green">113</FONT>                                }<a name="line.113"></a>
<FONT color="green">114</FONT>                            }<a name="line.114"></a>
<FONT color="green">115</FONT>                        } catch (NoSuchElementException e) { // Why does Java suck<a name="line.115"></a>
<FONT color="green">116</FONT>                        }<a name="line.116"></a>
<FONT color="green">117</FONT>    <a name="line.117"></a>
<FONT color="green">118</FONT>                        // Get rid of the empty list<a name="line.118"></a>
<FONT color="green">119</FONT>                        if (entry.getValue().size() == 0) {<a name="line.119"></a>
<FONT color="green">120</FONT>                            it.remove();<a name="line.120"></a>
<FONT color="green">121</FONT>                        }<a name="line.121"></a>
<FONT color="green">122</FONT>                    }<a name="line.122"></a>
<FONT color="green">123</FONT>                } catch (NoSuchElementException e) {}<a name="line.123"></a>
<FONT color="green">124</FONT>            }<a name="line.124"></a>
<FONT color="green">125</FONT>        }<a name="line.125"></a>
<FONT color="green">126</FONT>    <a name="line.126"></a>
<FONT color="green">127</FONT>        /**<a name="line.127"></a>
<FONT color="green">128</FONT>         * Unregister a particular provider.<a name="line.128"></a>
<FONT color="green">129</FONT>         *<a name="line.129"></a>
<FONT color="green">130</FONT>         * @param provider<a name="line.130"></a>
<FONT color="green">131</FONT>         */<a name="line.131"></a>
<FONT color="green">132</FONT>        public void unregister(Object provider) {<a name="line.132"></a>
<FONT color="green">133</FONT>            synchronized (providers) {<a name="line.133"></a>
<FONT color="green">134</FONT>                Iterator&lt;Map.Entry&lt;Class&lt;?&gt;, List&lt;RegisteredServiceProvider&lt;?&gt;&gt;&gt;&gt; it = providers.entrySet().iterator();<a name="line.134"></a>
<FONT color="green">135</FONT>    <a name="line.135"></a>
<FONT color="green">136</FONT>                try {<a name="line.136"></a>
<FONT color="green">137</FONT>                    while (it.hasNext()) {<a name="line.137"></a>
<FONT color="green">138</FONT>                        Map.Entry&lt;Class&lt;?&gt;, List&lt;RegisteredServiceProvider&lt;?&gt;&gt;&gt; entry = it.next();<a name="line.138"></a>
<FONT color="green">139</FONT>                        Iterator&lt;RegisteredServiceProvider&lt;?&gt;&gt; it2 = entry.getValue().iterator();<a name="line.139"></a>
<FONT color="green">140</FONT>    <a name="line.140"></a>
<FONT color="green">141</FONT>                        try {<a name="line.141"></a>
<FONT color="green">142</FONT>                            // Removed entries that are from this plugin<a name="line.142"></a>
<FONT color="green">143</FONT>    <a name="line.143"></a>
<FONT color="green">144</FONT>                            while (it2.hasNext()) {<a name="line.144"></a>
<FONT color="green">145</FONT>                                if (it2.next().getProvider() == provider) {<a name="line.145"></a>
<FONT color="green">146</FONT>                                    it2.remove();<a name="line.146"></a>
<FONT color="green">147</FONT>                                }<a name="line.147"></a>
<FONT color="green">148</FONT>                            }<a name="line.148"></a>
<FONT color="green">149</FONT>                        } catch (NoSuchElementException e) { // Why does Java suck<a name="line.149"></a>
<FONT color="green">150</FONT>                        }<a name="line.150"></a>
<FONT color="green">151</FONT>    <a name="line.151"></a>
<FONT color="green">152</FONT>                        // Get rid of the empty list<a name="line.152"></a>
<FONT color="green">153</FONT>                        if (entry.getValue().size() == 0) {<a name="line.153"></a>
<FONT color="green">154</FONT>                            it.remove();<a name="line.154"></a>
<FONT color="green">155</FONT>                        }<a name="line.155"></a>
<FONT color="green">156</FONT>                    }<a name="line.156"></a>
<FONT color="green">157</FONT>                } catch (NoSuchElementException e) {}<a name="line.157"></a>
<FONT color="green">158</FONT>            }<a name="line.158"></a>
<FONT color="green">159</FONT>        }<a name="line.159"></a>
<FONT color="green">160</FONT>    <a name="line.160"></a>
<FONT color="green">161</FONT>        /**<a name="line.161"></a>
<FONT color="green">162</FONT>         * Queries for a provider. This may return if no provider has been<a name="line.162"></a>
<FONT color="green">163</FONT>         * registered for a service. The highest priority provider is returned.<a name="line.163"></a>
<FONT color="green">164</FONT>         *<a name="line.164"></a>
<FONT color="green">165</FONT>         * @param &lt;T&gt;<a name="line.165"></a>
<FONT color="green">166</FONT>         * @param service<a name="line.166"></a>
<FONT color="green">167</FONT>         * @return provider or null<a name="line.167"></a>
<FONT color="green">168</FONT>         */<a name="line.168"></a>
<FONT color="green">169</FONT>        @SuppressWarnings("unchecked")<a name="line.169"></a>
<FONT color="green">170</FONT>        public &lt;T&gt; T load(Class&lt;T&gt; service) {<a name="line.170"></a>
<FONT color="green">171</FONT>            synchronized (providers) {<a name="line.171"></a>
<FONT color="green">172</FONT>                List&lt;RegisteredServiceProvider&lt;?&gt;&gt; registered = providers.get(service);<a name="line.172"></a>
<FONT color="green">173</FONT>    <a name="line.173"></a>
<FONT color="green">174</FONT>                if (registered == null) {<a name="line.174"></a>
<FONT color="green">175</FONT>                    return null;<a name="line.175"></a>
<FONT color="green">176</FONT>                }<a name="line.176"></a>
<FONT color="green">177</FONT>    <a name="line.177"></a>
<FONT color="green">178</FONT>                // This should not be null!<a name="line.178"></a>
<FONT color="green">179</FONT>                return (T) registered.get(0).getProvider();<a name="line.179"></a>
<FONT color="green">180</FONT>            }<a name="line.180"></a>
<FONT color="green">181</FONT>        }<a name="line.181"></a>
<FONT color="green">182</FONT>    <a name="line.182"></a>
<FONT color="green">183</FONT>        /**<a name="line.183"></a>
<FONT color="green">184</FONT>         * Queries for a provider registration. This may return if no provider<a name="line.184"></a>
<FONT color="green">185</FONT>         * has been registered for a service.<a name="line.185"></a>
<FONT color="green">186</FONT>         *<a name="line.186"></a>
<FONT color="green">187</FONT>         * @param &lt;T&gt;<a name="line.187"></a>
<FONT color="green">188</FONT>         * @param service<a name="line.188"></a>
<FONT color="green">189</FONT>         * @return provider registration or null<a name="line.189"></a>
<FONT color="green">190</FONT>         */<a name="line.190"></a>
<FONT color="green">191</FONT>        @SuppressWarnings("unchecked")<a name="line.191"></a>
<FONT color="green">192</FONT>        public &lt;T&gt; RegisteredServiceProvider&lt;T&gt; getRegistration(Class&lt;T&gt; service) {<a name="line.192"></a>
<FONT color="green">193</FONT>            synchronized (providers) {<a name="line.193"></a>
<FONT color="green">194</FONT>                List&lt;RegisteredServiceProvider&lt;?&gt;&gt; registered = providers.get(service);<a name="line.194"></a>
<FONT color="green">195</FONT>    <a name="line.195"></a>
<FONT color="green">196</FONT>                if (registered == null) {<a name="line.196"></a>
<FONT color="green">197</FONT>                    return null;<a name="line.197"></a>
<FONT color="green">198</FONT>                }<a name="line.198"></a>
<FONT color="green">199</FONT>    <a name="line.199"></a>
<FONT color="green">200</FONT>                // This should not be null!<a name="line.200"></a>
<FONT color="green">201</FONT>                return (RegisteredServiceProvider&lt;T&gt;) registered.get(0);<a name="line.201"></a>
<FONT color="green">202</FONT>            }<a name="line.202"></a>
<FONT color="green">203</FONT>        }<a name="line.203"></a>
<FONT color="green">204</FONT>    <a name="line.204"></a>
<FONT color="green">205</FONT>        /**<a name="line.205"></a>
<FONT color="green">206</FONT>         * Get registrations of providers for a plugin.<a name="line.206"></a>
<FONT color="green">207</FONT>         *<a name="line.207"></a>
<FONT color="green">208</FONT>         * @param plugin<a name="line.208"></a>
<FONT color="green">209</FONT>         * @return provider registration or null<a name="line.209"></a>
<FONT color="green">210</FONT>         */<a name="line.210"></a>
<FONT color="green">211</FONT>        public List&lt;RegisteredServiceProvider&lt;?&gt;&gt; getRegistrations(Plugin plugin) {<a name="line.211"></a>
<FONT color="green">212</FONT>            synchronized (providers) {<a name="line.212"></a>
<FONT color="green">213</FONT>                List&lt;RegisteredServiceProvider&lt;?&gt;&gt; ret = new ArrayList&lt;RegisteredServiceProvider&lt;?&gt;&gt;();<a name="line.213"></a>
<FONT color="green">214</FONT>    <a name="line.214"></a>
<FONT color="green">215</FONT>                for (List&lt;RegisteredServiceProvider&lt;?&gt;&gt; registered : providers.values()) {<a name="line.215"></a>
<FONT color="green">216</FONT>                    for (RegisteredServiceProvider&lt;?&gt; provider : registered) {<a name="line.216"></a>
<FONT color="green">217</FONT>                        if (provider.getPlugin() == plugin) {<a name="line.217"></a>
<FONT color="green">218</FONT>                            ret.add(provider);<a name="line.218"></a>
<FONT color="green">219</FONT>                        }<a name="line.219"></a>
<FONT color="green">220</FONT>                    }<a name="line.220"></a>
<FONT color="green">221</FONT>                }<a name="line.221"></a>
<FONT color="green">222</FONT>    <a name="line.222"></a>
<FONT color="green">223</FONT>                return ret;<a name="line.223"></a>
<FONT color="green">224</FONT>            }<a name="line.224"></a>
<FONT color="green">225</FONT>        }<a name="line.225"></a>
<FONT color="green">226</FONT>    <a name="line.226"></a>
<FONT color="green">227</FONT>        /**<a name="line.227"></a>
<FONT color="green">228</FONT>         * Get registrations of providers for a service. The returned list is<a name="line.228"></a>
<FONT color="green">229</FONT>         * unmodifiable.<a name="line.229"></a>
<FONT color="green">230</FONT>         *<a name="line.230"></a>
<FONT color="green">231</FONT>         * @param &lt;T&gt;<a name="line.231"></a>
<FONT color="green">232</FONT>         * @param service<a name="line.232"></a>
<FONT color="green">233</FONT>         * @return list of registrations<a name="line.233"></a>
<FONT color="green">234</FONT>         */<a name="line.234"></a>
<FONT color="green">235</FONT>        @SuppressWarnings("unchecked")<a name="line.235"></a>
<FONT color="green">236</FONT>        public &lt;T&gt; Collection&lt;RegisteredServiceProvider&lt;T&gt;&gt; getRegistrations(Class&lt;T&gt; service) {<a name="line.236"></a>
<FONT color="green">237</FONT>            synchronized (providers) {<a name="line.237"></a>
<FONT color="green">238</FONT>                List&lt;RegisteredServiceProvider&lt;?&gt;&gt; registered = providers.get(service);<a name="line.238"></a>
<FONT color="green">239</FONT>    <a name="line.239"></a>
<FONT color="green">240</FONT>                if (registered == null) {<a name="line.240"></a>
<FONT color="green">241</FONT>                    return Collections.unmodifiableList(new ArrayList&lt;RegisteredServiceProvider&lt;T&gt;&gt;());<a name="line.241"></a>
<FONT color="green">242</FONT>                }<a name="line.242"></a>
<FONT color="green">243</FONT>    <a name="line.243"></a>
<FONT color="green">244</FONT>                List&lt;RegisteredServiceProvider&lt;T&gt;&gt; ret = new ArrayList&lt;RegisteredServiceProvider&lt;T&gt;&gt;();<a name="line.244"></a>
<FONT color="green">245</FONT>    <a name="line.245"></a>
<FONT color="green">246</FONT>                for (RegisteredServiceProvider&lt;?&gt; provider : registered) {<a name="line.246"></a>
<FONT color="green">247</FONT>                    ret.add((RegisteredServiceProvider&lt;T&gt;) provider);<a name="line.247"></a>
<FONT color="green">248</FONT>                }<a name="line.248"></a>
<FONT color="green">249</FONT>    <a name="line.249"></a>
<FONT color="green">250</FONT>                return Collections.unmodifiableList(ret);<a name="line.250"></a>
<FONT color="green">251</FONT>            }<a name="line.251"></a>
<FONT color="green">252</FONT>        }<a name="line.252"></a>
<FONT color="green">253</FONT>    <a name="line.253"></a>
<FONT color="green">254</FONT>        /**<a name="line.254"></a>
<FONT color="green">255</FONT>         * Get a list of known services. A service is known if it has registered<a name="line.255"></a>
<FONT color="green">256</FONT>         * providers for it.<a name="line.256"></a>
<FONT color="green">257</FONT>         *<a name="line.257"></a>
<FONT color="green">258</FONT>         * @return list of known services<a name="line.258"></a>
<FONT color="green">259</FONT>         */<a name="line.259"></a>
<FONT color="green">260</FONT>        public Collection&lt;Class&lt;?&gt;&gt; getKnownServices() {<a name="line.260"></a>
<FONT color="green">261</FONT>            return Collections.unmodifiableSet(providers.keySet());<a name="line.261"></a>
<FONT color="green">262</FONT>        }<a name="line.262"></a>
<FONT color="green">263</FONT>    <a name="line.263"></a>
<FONT color="green">264</FONT>        /**<a name="line.264"></a>
<FONT color="green">265</FONT>         * Returns whether a provider has been registered for a service. Do not<a name="line.265"></a>
<FONT color="green">266</FONT>         * check this first only to call &lt;code&gt;load(service)&lt;/code&gt; later, as that<a name="line.266"></a>
<FONT color="green">267</FONT>         * would be a non-thread safe situation.<a name="line.267"></a>
<FONT color="green">268</FONT>         *<a name="line.268"></a>
<FONT color="green">269</FONT>         * @param &lt;T&gt; service<a name="line.269"></a>
<FONT color="green">270</FONT>         * @param service service to check<a name="line.270"></a>
<FONT color="green">271</FONT>         * @return whether there has been a registered provider<a name="line.271"></a>
<FONT color="green">272</FONT>         */<a name="line.272"></a>
<FONT color="green">273</FONT>        public &lt;T&gt; boolean isProvidedFor(Class&lt;T&gt; service) {<a name="line.273"></a>
<FONT color="green">274</FONT>            return getRegistration(service) != null;<a name="line.274"></a>
<FONT color="green">275</FONT>        }<a name="line.275"></a>
<FONT color="green">276</FONT>    }<a name="line.276"></a>




























































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